24690664495 has 16 divisors (see below), whose sum is σ = 33866638848. Its totient is φ = 16928163360.

The previous prime is 24690664421. The next prime is 24690664499. The reversal of 24690664495 is 59446609642.

It is a de Polignac number, because none of the positive numbers 2^k-24690664495 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24690664499) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 195750 + ... + 296140.

It is an arithmetic number, because the mean of its divisors is an integer number (2116664928).

Almost surely, 2^24690664495 is an apocalyptic number.

24690664495 is a deficient number, since it is larger than the sum of its proper divisors (9175974353).

24690664495 is a wasteful number, since it uses less digits than its factorization.

24690664495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107430.

The product of its (nonzero) digits is 11197440, while the sum is 55.

The spelling of 24690664495 in words is "twenty-four billion, six hundred ninety million, six hundred sixty-four thousand, four hundred ninety-five".